Follow-up q, why is parasitism so rare phenomenon in mammals? (vampire bats are the only clear example, human candidates are all debatable)
-
-
@vgr Yes, but they are not mutually exclusive http://dictionary.reference.com/browse/symbiosis …Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.